Draht 1mm Ausdehnungsfeder A2 Edelstahl Spannverlängerung 9mm OD, 20-318mm L
【 Length】: 30mm-318mm. Wire Dia 1mm - Stainless Steel Expansion Extension Tension Springs - OD 9mm. The surface is glossy and free of burrs. Clear texture, uniform force distribution, and more stable elasticity.